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The energy released when one mole of ionic crystal is produced by the combination of the corresponding gaseous (+ve) and (-ve) ions brought from infinite distance is known as lattice energy.
What are the Advantages of cold working (i) No heat is required. (ii) Better surface finish is obtained. (iii) Superior dimension control. (iv) Improved strength and h
Cathode rays have
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
what are alkanes
Postulates of molecular orbital theory?
Consider a process for the partial oxidation of benzene to produce maleic anhydride (C 4 H 4 O 4 ) using air. There are two reactions to be concerned with: The first partially oxid
sir to calculate first order reaction the formula is
If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
Q. What is Spontaneous processes? Ans. Spontaneous processes are events which occur without any assistance. When an object is held above the floor, it falls when released. Ic
fuul explaination
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